# Currenzy vs Sinkstack

The clearest difference is in-app purchases: Sinkstack at none against Currenzy's 3. Sinkstack also leads on chart position (#22 vs #112) and price ($0.99 vs $1.99). On update cadence, ads and device support there is nothing between them.

Currenzy costs $1.99 and Sinkstack $0.99 up front. Currenzy sells 3 one-off in-app purchases. Sinkstack asks for nothing beyond the download.

Currenzy ships an update every 5 days, Sinkstack every 6 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Currenzy | Sinkstack |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[4.8 (172 ratings)](https://appshunter.io/ios/app/currenzy/id719162125/reviews)** | — |
| Number of ratings | **172** | — |
| Positive reviews | 64.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Paid | — |
| Best chart rank | #112 | **#22** |
| Size | 72 MB | 6 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Raja Vijayaraman](https://appshunter.io/developer/562575890) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### Currenzy

[App page](https://appshunter.io/ios/app/currenzy/id719162125)

**Currently charting:** #112 Top Paid · Finance (US App Store)

This app offers seamless currency conversion for everyday needs. It features a unique Safari extension to automatically convert currencies on web pages and an action extension for use in other apps. Convert prices using your iPhone camera while traveling.

**Highlights:** Automatic web page currency conversion, App extension for text sharing, Camera-based price conversion, Offline currency conversion, Support for over 150 currencies, Historical charts, Built-in calculator

**Features:** macOS Compatibility, Safari Extension, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Huge Tip | $9.99 | one-time |


### Sinkstack

[App page](https://appshunter.io/ios/app/sinkstack-paycheck-budget/id6776308197)

**Currently charting:** #22 Top Paid · Finance (US App Store)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Currenzy free?

Currenzy costs $1.99, and also offers in-app purchases.

### Is Sinkstack free?

Sinkstack costs $0.99, with no in-app purchases.

### Do Currenzy or Sinkstack have ads?

Neither Currenzy nor Sinkstack shows ads.

### Which is updated more often, Currenzy or Sinkstack?

Currenzy ships an update every 5 days, and Sinkstack every 6 days. Most recently, Currenzy was updated on November 11, 2026 and Sinkstack on November 10, 2026.

### Which is more popular, Currenzy or Sinkstack?

Currenzy currently peaks at #112 in the App Store charts, and Sinkstack at #22. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*